[jira] Resolved: (XERCESC-1735) Fast append optimization for the DOM parser

["Boris Kolpackov (JIRA)" <xe...@xml.apache.org>]

     [ https://issues.apache.org/jira/browse/XERCESC-1735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Boris Kolpackov resolved XERCESC-1735.
--------------------------------------

       Resolution: Fixed
    Fix Version/s: 2.8.0

Applied to the trunk.

> Fast append optimization for the DOM parser
> -------------------------------------------
>
>                 Key: XERCESC-1735
>                 URL: https://issues.apache.org/jira/browse/XERCESC-1735
>             Project: Xerces-C++
>          Issue Type: Improvement
>          Components: DOM
>    Affects Versions: 3.0.0
>         Environment: any
>            Reporter: Boris Kolpackov
>             Fix For: 2.8.0, 3.0.0
>
>         Attachments: fast-append.patch
>
>
> The attached patch adds the appendChildFast function to the DOMParentNode internal interface which skips a number of actions and checks compared to the vanilla appendChild function that are unnecessary in the controlled environment of building a new DOM document. The patch also changes AbstractDOMParser to call appendChildFast instead of appendChild.
> This change results in 25-30% parsing speed improvement depending on the workload used.

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